supercard dstwo seems to be the best flashcart at the moment, but it's the price of a single new DS game.
for your info, http://www.thegamerdepot.com/supercard-dstwobest-flashcart-for-3ds-xl3dsdsids-p-152.html that's where i bought mine, great place if you're in the USA

This post has been edited by koniam, Sun, May 4th, 2014 at 08:07